[INFO] fetching crate second-stack 0.3.5...
[INFO] testing second-stack-0.3.5 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate second-stack 0.3.5 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate second-stack 0.3.5 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate second-stack 0.3.5
[INFO] finished tweaking crates.io crate second-stack 0.3.5
[INFO] tweaked toml for crates.io crate second-stack 0.3.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded testdrop v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fa2aed9af569476b69de59cb88fc94a073d0dee4de6b6300bb5363f02d4c301e
[INFO] running `Command { std: "docker" "start" "-a" "fa2aed9af569476b69de59cb88fc94a073d0dee4de6b6300bb5363f02d4c301e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa2aed9af569476b69de59cb88fc94a073d0dee4de6b6300bb5363f02d4c301e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa2aed9af569476b69de59cb88fc94a073d0dee4de6b6300bb5363f02d4c301e", kill_on_drop: false }`
[INFO] [stdout] fa2aed9af569476b69de59cb88fc94a073d0dee4de6b6300bb5363f02d4c301e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46ac9e8390ce8e4ac6931d405df230cd9153e5983b1e6159e06f4b780a677115
[INFO] running `Command { std: "docker" "start" "-a" "46ac9e8390ce8e4ac6931d405df230cd9153e5983b1e6159e06f4b780a677115", kill_on_drop: false }`
[INFO] [stderr]    Compiling second-stack v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:230:17
[INFO] [stdout]     |
[INFO] [stdout] 230 |             let mut current = &mut *self.location.get();
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "46ac9e8390ce8e4ac6931d405df230cd9153e5983b1e6159e06f4b780a677115", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46ac9e8390ce8e4ac6931d405df230cd9153e5983b1e6159e06f4b780a677115", kill_on_drop: false }`
[INFO] [stdout] 46ac9e8390ce8e4ac6931d405df230cd9153e5983b1e6159e06f4b780a677115
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c2cbbf075dc49ac3a70f704ac2a539448f9f1ddc1ddc35fe4d87f7d9bf5c823
[INFO] running `Command { std: "docker" "start" "-a" "6c2cbbf075dc49ac3a70f704ac2a539448f9f1ddc1ddc35fe4d87f7d9bf5c823", kill_on_drop: false }`
[INFO] [stderr]    Compiling testdrop v0.1.2
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:230:17
[INFO] [stdout]     |
[INFO] [stdout] 230 |             let mut current = &mut *self.location.get();
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling second-stack v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:230:17
[INFO] [stdout]     |
[INFO] [stdout] 230 |             let mut current = &mut *self.location.get();
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "6c2cbbf075dc49ac3a70f704ac2a539448f9f1ddc1ddc35fe4d87f7d9bf5c823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c2cbbf075dc49ac3a70f704ac2a539448f9f1ddc1ddc35fe4d87f7d9bf5c823", kill_on_drop: false }`
[INFO] [stdout] 6c2cbbf075dc49ac3a70f704ac2a539448f9f1ddc1ddc35fe4d87f7d9bf5c823
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c6e9c3322042ffa18152de095f817954e001d08511ee26b31c582fbc88b543ff
[INFO] running `Command { std: "docker" "start" "-a" "c6e9c3322042ffa18152de095f817954e001d08511ee26b31c582fbc88b543ff", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:230:17
[INFO] [stderr]     |
[INFO] [stderr] 230 |             let mut current = &mut *self.location.get();
[INFO] [stderr]     |                 ----^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `second-stack` (lib) generated 1 warning (run `cargo fix --lib -p second-stack` to apply 1 suggestion)
[INFO] [stderr] warning: `second-stack` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/second_stack-b69958da7feaf20c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-bd22a2942bc5e6cc)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] thread '<unnamed>' panicked at library/core/src/panicking.rs:219:5:
[INFO] [stdout] [tests/integration.rs:45:5] &cfg = Cfg {
[INFO] [stderr] unsafe precondition(s) violated: slice::from_raw_parts_mut requires the pointer to be aligned and non-null, and the total size of the slice not to exceed `isize::MAX`
[INFO] [stdout]     threads: 32,
[INFO] [stderr] stack backtrace:
[INFO] [stdout]     inner_loops: 3,
[INFO] [stdout]     outer_loops: 100,
[INFO] [stdout]     recursion: 8,
[INFO] [stdout] }
[INFO] [stderr]    0:     0x5627075cac65 - std::backtrace_rs::backtrace::libunwind::trace::h59d96bdb08384354
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stderr]    1:     0x5627075cac65 - std::backtrace_rs::backtrace::trace_unsynchronized::h9cf5becacfc93fba
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x5627075cac65 - std::sys_common::backtrace::_print_fmt::h10b76d10405dbd48
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]    3:     0x5627075cac65 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6ed9e62a156d84e4
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]    4:     0x5627075f167b - core::fmt::rt::Argument::fmt::h645c680983f03c9f
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/rt.rs:165:63
[INFO] [stderr]    5:     0x5627075f167b - core::fmt::write::h8bcd80919a02be29
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/fmt/mod.rs:1169:21
[INFO] [stderr]    6:     0x5627075c854f - std::io::Write::write_fmt::hed769ca6c29434ec
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/io/mod.rs:1835:15
[INFO] [stderr]    7:     0x5627075caa3e - std::sys_common::backtrace::_print::h6306f131a28d62b0
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]    8:     0x5627075caa3e - std::sys_common::backtrace::print::h7079288e0a26dfcc
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]    9:     0x5627075cc469 - std::panicking::default_hook::{{closure}}::hb063ecec81a736ba
[INFO] [stderr]   10:     0x5627075cc1ad - std::panicking::default_hook::hd56ee406bf547b5c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:298:9
[INFO] [stderr]   11:     0x56270755c69a - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::he5eacdef44c8728f
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stderr]   12:     0x56270755c69a - test::test_main::{{closure}}::h0ec9aed229e79095
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/test/src/lib.rs:137:21
[INFO] [stderr]   13:     0x5627075cca6b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hcbd0d80e1ad4e4f9
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2036:9
[INFO] [stderr]   14:     0x5627075cca6b - std::panicking::rust_panic_with_hook::h624aa3ca42ebb8f2
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:799:13
[INFO] [stderr]   15:     0x5627075cc7ab - std::panicking::begin_panic_handler::{{closure}}::hbc4e76194a5e287c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:656:13
[INFO] [stderr]   16:     0x5627075cb129 - std::sys_common::backtrace::__rust_end_short_backtrace::h847fedc9d1ff7b6d
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]   17:     0x5627075cc517 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:652:5
[INFO] [stderr]   18:     0x5627074d8d70 - core::panicking::panic_nounwind_fmt::runtime::h4b9f1774825d29a1
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:110:18
[INFO] [stderr]   19:     0x5627074d8d70 - core::panicking::panic_nounwind_fmt::h7f70629ab29f76f1
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:120:5
[INFO] [stderr]   20:     0x5627074d8e02 - core::panicking::panic_nounwind::hde0018e2d22904b7
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panicking.rs:219:5
[INFO] [stderr]   21:     0x5627075281f0 - core::slice::raw::from_raw_parts_mut::precondition_check::he9c16ec27cdafbcd
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ub_checks.rs:68:21
[INFO] [stderr]   22:     0x562707527fb1 - core::slice::raw::from_raw_parts_mut::heea3895d6e63215a
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ub_checks.rs:75:17
[INFO] [stderr]   23:     0x562707505729 - second_stack::Stack::buffer::h3b771c5adcedd2ac
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:188:26
[INFO] [stderr]   24:     0x5627074f877c - integration::check_iter::h641467688fa859a8
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:249:9
[INFO] [stderr]   25:     0x5627074f6756 - integration::check_rand_method::h2b26e70fb6935f24
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:168:14
[INFO] [stderr]   26:     0x5627074f7257 - integration::check_rand_type::he4f48f60c38b996a
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:189:15
[INFO] [stderr]   27:     0x5627074f7436 - integration::recurse::{{closure}}::ha4733d442118f64d
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:204:13
[INFO] [stderr]   28:     0x5627074f7364 - integration::recurse::h3de12cb3dff6e4f2
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:215:9
[INFO] [stderr]   29:     0x5627074fe74c - integration::soak::{{closure}}::{{closure}}::h44c1d111fbcaccc6
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:58:25
[INFO] [stderr]   30:     0x5627075100b2 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7cdd22c3e7e593c3
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stderr]   31:     0x56270751aeb2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h51445366fcfdd758
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:542:17
[INFO] [stderr]   32:     0x5627075236c2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hb565c37f8b109395
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   33:     0x56270752686e - std::panicking::try::do_call::h105afc69db78db8d
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:559:40
[INFO] [stderr]   34:     0x562707528e8b - __rust_try
[INFO] [stderr]   35:     0x5627075267f8 - std::panicking::try::he49a81440dfd8e2c
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panicking.rs:523:19
[INFO] [stderr]   36:     0x56270751a5d9 - std::panic::catch_unwind::h7c85952546bc8a0d
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/panic.rs:149:14
[INFO] [stderr]   37:     0x56270751a5d9 - std::thread::Builder::spawn_unchecked_::{{closure}}::h2570b0fce204e290
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/thread/mod.rs:541:30
[INFO] [stderr]   38:     0x56270751bb5e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h62ed6941dcd8143d
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   39:     0x5627075d0d5b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7a343dc551c06baa
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stderr]   40:     0x5627075d0d5b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h30b8111cbaa644f3
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/alloc/src/boxed.rs:2022:9
[INFO] [stderr]   41:     0x5627075d0d5b - std::sys::pal::unix::thread::Thread::new::thread_start::h7404e134e61e7a11
[INFO] [stderr]                                at /rustc/1871252fc8bb672d40787e67404e6eaae7059369/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stderr]   42:     0x7f50df96aac3 - <unknown>
[INFO] [stderr]   43:     0x7f50df9fba04 - __clone
[INFO] [stderr]   44:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--test integration`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/integration-bd22a2942bc5e6cc` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "c6e9c3322042ffa18152de095f817954e001d08511ee26b31c582fbc88b543ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6e9c3322042ffa18152de095f817954e001d08511ee26b31c582fbc88b543ff", kill_on_drop: false }`
[INFO] [stdout] c6e9c3322042ffa18152de095f817954e001d08511ee26b31c582fbc88b543ff
[INFO] testing second-stack-0.3.5 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate second-stack 0.3.5 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate second-stack 0.3.5 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate second-stack 0.3.5
[INFO] finished tweaking crates.io crate second-stack 0.3.5
[INFO] tweaked toml for crates.io crate second-stack 0.3.5 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.1+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c989a0ee4ec8a2b0054b7df8ea0e5e13b84309d3c971c06d3007cc9628ed2544
[INFO] running `Command { std: "docker" "start" "-a" "c989a0ee4ec8a2b0054b7df8ea0e5e13b84309d3c971c06d3007cc9628ed2544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c989a0ee4ec8a2b0054b7df8ea0e5e13b84309d3c971c06d3007cc9628ed2544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c989a0ee4ec8a2b0054b7df8ea0e5e13b84309d3c971c06d3007cc9628ed2544", kill_on_drop: false }`
[INFO] [stdout] c989a0ee4ec8a2b0054b7df8ea0e5e13b84309d3c971c06d3007cc9628ed2544
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 724f5e034d0347a87cd3deb9a35e031c8ee202d316bcbe411aac2399dfff29b2
[INFO] running `Command { std: "docker" "start" "-a" "724f5e034d0347a87cd3deb9a35e031c8ee202d316bcbe411aac2399dfff29b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling second-stack v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:230:17
[INFO] [stdout]     |
[INFO] [stdout] 230 |             let mut current = &mut *self.location.get();
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "724f5e034d0347a87cd3deb9a35e031c8ee202d316bcbe411aac2399dfff29b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "724f5e034d0347a87cd3deb9a35e031c8ee202d316bcbe411aac2399dfff29b2", kill_on_drop: false }`
[INFO] [stdout] 724f5e034d0347a87cd3deb9a35e031c8ee202d316bcbe411aac2399dfff29b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db3a68c2b099e82856645953a80e1d1f952754659828aaed9a8a8f9834050ad1
[INFO] running `Command { std: "docker" "start" "-a" "db3a68c2b099e82856645953a80e1d1f952754659828aaed9a8a8f9834050ad1", kill_on_drop: false }`
[INFO] [stderr]    Compiling testdrop v0.1.2
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:230:17
[INFO] [stdout]     |
[INFO] [stdout] 230 |             let mut current = &mut *self.location.get();
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling second-stack v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:230:17
[INFO] [stdout]     |
[INFO] [stdout] 230 |             let mut current = &mut *self.location.get();
[INFO] [stdout]     |                 ----^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "db3a68c2b099e82856645953a80e1d1f952754659828aaed9a8a8f9834050ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db3a68c2b099e82856645953a80e1d1f952754659828aaed9a8a8f9834050ad1", kill_on_drop: false }`
[INFO] [stdout] db3a68c2b099e82856645953a80e1d1f952754659828aaed9a8a8f9834050ad1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8313f5fa1233dd7e0f599a5a50f618334bcb276efb2ab0cdaefad58dd7891266
[INFO] running `Command { std: "docker" "start" "-a" "8313f5fa1233dd7e0f599a5a50f618334bcb276efb2ab0cdaefad58dd7891266", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:230:17
[INFO] [stderr]     |
[INFO] [stderr] 230 |             let mut current = &mut *self.location.get();
[INFO] [stderr]     |                 ----^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `second-stack` (lib) generated 1 warning (run `cargo fix --lib -p second-stack` to apply 1 suggestion)
[INFO] [stderr] warning: `second-stack` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/second_stack-b69958da7feaf20c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-bd22a2942bc5e6cc)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] [tests/integration.rs:45:5] &cfg = Cfg {
[INFO] [stdout]     threads: 32,
[INFO] [stdout]     inner_loops: 3,
[INFO] [stdout]     outer_loops: 100,
[INFO] [stdout]     recursion: 8,
[INFO] [stdout] }
[INFO] [stderr] thread '<unnamed>' panicked at library/core/src/panicking.rs:219:5:
[INFO] [stderr] unsafe precondition(s) violated: slice::from_raw_parts_mut requires the pointer to be aligned and non-null, and the total size of the slice not to exceed `isize::MAX`
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5602aa236d25 - std::backtrace_rs::backtrace::libunwind::trace::he49dc9a9e3164223
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
[INFO] [stderr]    1:     0x5602aa236d25 - std::backtrace_rs::backtrace::trace_unsynchronized::h3a3e77c68030aa6b
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]    2:     0x5602aa236d25 - std::sys_common::backtrace::_print_fmt::h9479ad2f99afd5d4
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]    3:     0x5602aa236d25 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hfb01aa1fa3fb1821
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]    4:     0x5602aa25d6db - core::fmt::rt::Argument::fmt::h125e56152abbc1c3
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/rt.rs:165:63
[INFO] [stderr]    5:     0x5602aa25d6db - core::fmt::write::hb0ab4ff05ccfe741
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/fmt/mod.rs:1169:21
[INFO] [stderr]    6:     0x5602aa23455f - std::io::Write::write_fmt::h456b7988df61daf3
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/io/mod.rs:1835:15
[INFO] [stderr]    7:     0x5602aa236afe - std::sys_common::backtrace::_print::h79ca548f3a2adf4b
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]    8:     0x5602aa236afe - std::sys_common::backtrace::print::h9aebf997b2fea2d3
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]    9:     0x5602aa238469 - std::panicking::default_hook::{{closure}}::h68a0954af2694526
[INFO] [stderr]   10:     0x5602aa238238 - std::panicking::default_hook::h5be50cc6849ffb00
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:298:9
[INFO] [stderr]   11:     0x5602aa1c876f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hd874405dcbd1d3ed
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stderr]   12:     0x5602aa1c876f - test::test_main::{{closure}}::h4f26a9df34a84b94
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/test/src/lib.rs:137:21
[INFO] [stderr]   13:     0x5602aa238a6b - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h00e96d9c62aa9a12
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2036:9
[INFO] [stderr]   14:     0x5602aa238a6b - std::panicking::rust_panic_with_hook::h3c0df6036729334c
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:799:13
[INFO] [stderr]   15:     0x5602aa2387ab - std::panicking::begin_panic_handler::{{closure}}::ha3a21e93c4cfd807
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:656:13
[INFO] [stderr]   16:     0x5602aa2371e9 - std::sys_common::backtrace::__rust_end_short_backtrace::h19508a8f8ae71dc9
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]   17:     0x5602aa238517 - rust_begin_unwind
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:652:5
[INFO] [stderr]   18:     0x5602aa144d50 - core::panicking::panic_nounwind_fmt::runtime::h5a694fc2dbb2d2f2
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:110:18
[INFO] [stderr]   19:     0x5602aa144d50 - core::panicking::panic_nounwind_fmt::hdd1d11fcfd7ed294
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:120:5
[INFO] [stderr]   20:     0x5602aa144de2 - core::panicking::panic_nounwind::h8259b34807f64d0c
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panicking.rs:219:5
[INFO] [stderr]   21:     0x5602aa194240 - core::slice::raw::from_raw_parts_mut::precondition_check::hc8a9ef4baf15fa06
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ub_checks.rs:68:21
[INFO] [stderr]   22:     0x5602aa193c81 - core::slice::raw::from_raw_parts_mut::h7a5cb1837be844b2
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ub_checks.rs:75:17
[INFO] [stderr]   23:     0x5602aa173389 - second_stack::Stack::buffer::h5f6d37d538130b43
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:188:26
[INFO] [stderr]   24:     0x5602aa164dfc - integration::check_iter::h79c88a8407f029f1
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:249:9
[INFO] [stderr]   25:     0x5602aa162eb6 - integration::check_rand_method::hd7f228af6cdf9262
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:168:14
[INFO] [stderr]   26:     0x5602aa1631a1 - integration::check_rand_type::h1466ecc5cd1fce4d
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:180:14
[INFO] [stderr]   27:     0x5602aa163416 - integration::recurse::{{closure}}::h35b436b07ad75c7b
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:204:13
[INFO] [stderr]   28:     0x5602aa163344 - integration::recurse::h98f090732a5a14a0
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:215:9
[INFO] [stderr]   29:     0x5602aa15e18a - integration::check_value::{{closure}}::h4dcbd636327da485
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:109:9
[INFO] [stderr]   30:     0x5602aa1886a8 - core::ops::function::FnOnce::call_once::hc4df65b709c3806a
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   31:     0x5602aa1775fc - second_stack::Stack::uninit::{{closure}}::h206a78706a49710b
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:48:38
[INFO] [stderr]   32:     0x5602aa16b275 - second_stack::Stack::uninit_slice::h077b042268b0f5bf
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:86:9
[INFO] [stderr]   33:     0x5602aa1770a6 - second_stack::Stack::uninit::h0e425df6fd737c6f
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:48:9
[INFO] [stderr]   34:     0x5602aa15d97b - integration::check_value::h8cf0c57f4186be3b
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:115:9
[INFO] [stderr]   35:     0x5602aa162bf6 - integration::check_rand_method::hbe0ec9bc7f2a8b64
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:169:14
[INFO] [stderr]   36:     0x5602aa163217 - integration::check_rand_type::h1466ecc5cd1fce4d
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:187:14
[INFO] [stderr]   37:     0x5602aa16347e - integration::recurse::{{closure}}::h35b436b07ad75c7b
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:207:13
[INFO] [stderr]   38:     0x5602aa163344 - integration::recurse::h98f090732a5a14a0
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:215:9
[INFO] [stderr]   39:     0x5602aa15e15a - integration::check_value::{{closure}}::h47affdb3009b8baf
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:109:9
[INFO] [stderr]   40:     0x5602aa187fa8 - core::ops::function::FnOnce::call_once::h5052dbc90bdbdbc0
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   41:     0x5602aa177a1c - second_stack::Stack::uninit::{{closure}}::hbe846bc8f63751ff
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:48:38
[INFO] [stderr]   42:     0x5602aa16b7d5 - second_stack::Stack::uninit_slice::h29ceb7cfa33bc867
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:86:9
[INFO] [stderr]   43:     0x5602aa1771c6 - second_stack::Stack::uninit::h74b32798a200c635
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:48:9
[INFO] [stderr]   44:     0x5602aa178b11 - second_stack::uninit::{{closure}}::h94a2b3dbef40c7bf
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:207:31
[INFO] [stderr]   45:     0x5602aa18e2d2 - std::thread::local::LocalKey<T>::try_with::h8bb664db56051de6
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:286:12
[INFO] [stderr]   46:     0x5602aa18c6ca - std::thread::local::LocalKey<T>::with::h218e617de327ba59
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:262:9
[INFO] [stderr]   47:     0x5602aa178696 - second_stack::uninit::h12d2db140b71441f
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:207:5
[INFO] [stderr]   48:     0x5602aa15ded6 - integration::check_value::hefdad7c606371f20
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:113:9
[INFO] [stderr]   49:     0x5602aa162656 - integration::check_rand_method::h25b0d52fcc63b1b5
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:169:14
[INFO] [stderr]   50:     0x5602aa16317b - integration::check_rand_type::h1466ecc5cd1fce4d
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:178:14
[INFO] [stderr]   51:     0x5602aa16347e - integration::recurse::{{closure}}::h35b436b07ad75c7b
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:207:13
[INFO] [stderr]   52:     0x5602aa163344 - integration::recurse::h98f090732a5a14a0
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:215:9
[INFO] [stderr]   53:     0x5602aa15e1ba - integration::check_value::{{closure}}::h6b6ff2e959c1d2e7
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:109:9
[INFO] [stderr]   54:     0x5602aa187bf8 - core::ops::function::FnOnce::call_once::h054ff1b008c5e9c0
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   55:     0x5602aa1773ec - second_stack::Stack::uninit::{{closure}}::h0509e43b94686427
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:48:38
[INFO] [stderr]   56:     0x5602aa16dd66 - second_stack::Stack::uninit_slice::hb962dfa09e60a063
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:68:20
[INFO] [stderr]   57:     0x5602aa177256 - second_stack::Stack::uninit::he194dab56f4de752
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:48:9
[INFO] [stderr]   58:     0x5602aa178ad1 - second_stack::uninit::{{closure}}::h7daaa46272734f53
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:207:31
[INFO] [stderr]   59:     0x5602aa18ea42 - std::thread::local::LocalKey<T>::try_with::hb27441225f9dcd90
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:286:12
[INFO] [stderr]   60:     0x5602aa18c90a - std::thread::local::LocalKey<T>::with::h7bb7e978cdcf68a6
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/local.rs:262:9
[INFO] [stderr]   61:     0x5602aa1786f6 - second_stack::uninit::h1e687e32ac73ca7a
[INFO] [stderr]                                at /opt/rustwide/workdir/src/lib.rs:207:5
[INFO] [stderr]   62:     0x5602aa15da76 - integration::check_value::h8db1332b3474691a
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:113:9
[INFO] [stderr]   63:     0x5602aa162b06 - integration::check_rand_method::ha38787901378b872
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:169:14
[INFO] [stderr]   64:     0x5602aa163247 - integration::check_rand_type::h1466ecc5cd1fce4d
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:190:15
[INFO] [stderr]   65:     0x5602aa163416 - integration::recurse::{{closure}}::h35b436b07ad75c7b
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:204:13
[INFO] [stderr]   66:     0x5602aa163344 - integration::recurse::h98f090732a5a14a0
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:215:9
[INFO] [stderr]   67:     0x5602aa16a72c - integration::soak::{{closure}}::{{closure}}::hb18ef81de19de5b0
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/integration.rs:58:25
[INFO] [stderr]   68:     0x5602aa17c0c2 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c5f808ed0f67496
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stderr]   69:     0x5602aa187082 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hb6c8b489ea4dafac
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:542:17
[INFO] [stderr]   70:     0x5602aa18f6b2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h5a5e9a3dea0a928d
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stderr]   71:     0x5602aa1928ae - std::panicking::try::do_call::h14d063e040006ebe
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:559:40
[INFO] [stderr]   72:     0x5602aa194e6b - __rust_try
[INFO] [stderr]   73:     0x5602aa192838 - std::panicking::try::hfe0eb41f0c17c204
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panicking.rs:523:19
[INFO] [stderr]   74:     0x5602aa186d1b - std::panic::catch_unwind::hd4f66c07c9013f24
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/panic.rs:149:14
[INFO] [stderr]   75:     0x5602aa186d1b - std::thread::Builder::spawn_unchecked_::{{closure}}::h7f5c3193603876a8
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/thread/mod.rs:541:30
[INFO] [stderr]   76:     0x5602aa187b4e - core::ops::function::FnOnce::call_once{{vtable.shim}}::hd2c39f08792109de
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   77:     0x5602aa23cd4b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h41b39260afcffdc9
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stderr]   78:     0x5602aa23cd4b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6694c8dc6dd010c4
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/alloc/src/boxed.rs:2022:9
[INFO] [stderr]   79:     0x5602aa23cd4b - std::sys::pal::unix::thread::Thread::new::thread_start::hf16038e1c8e19c99
[INFO] [stderr]                                at /rustc/b642703cf9526da1e72c0b6755753b939a9c6b6d/library/std/src/sys/pal/unix/thread.rs:108:17
[INFO] [stderr]   80:     0x7f21d2c30ac3 - <unknown>
[INFO] [stderr]   81:     0x7f21d2cc1a04 - __clone
[INFO] [stderr]   82:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--test integration`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/integration-bd22a2942bc5e6cc` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "8313f5fa1233dd7e0f599a5a50f618334bcb276efb2ab0cdaefad58dd7891266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8313f5fa1233dd7e0f599a5a50f618334bcb276efb2ab0cdaefad58dd7891266", kill_on_drop: false }`
[INFO] [stdout] 8313f5fa1233dd7e0f599a5a50f618334bcb276efb2ab0cdaefad58dd7891266
